Which of These Structures Represents a Soap

question 35

Multiple Choice

Which of these structures represents a soap?

• A)CH₃CO₂^- K⁺
• B)CH₃(CH₂)₁₄CO₂^- Na⁺
• C)CH₃(CH₂)₁₂COOH
• D)CH₃(CH₂)₇CO₂(CH₂)₇Na
• E)More than one of the compounds above is a soap.

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Definitions:

Protein

Large, complex molecules made up of amino acids that perform a variety of functions in the body, including structural support, transport, and enzymatic activities.

Insulate

To coat or surround with material in order to prevent the passage or leakage of heat, electricity, or sound.

Lipids

A broad class of naturally occurring molecules that include fats, oils, waxes, and certain vitamins, characterized by their insolubility in water.

Peptide

A short chain of amino acids linked by peptide bonds, which can function as signaling molecules or as components of proteins.